Smoke exhaust ventilation has impact on the time necessary for evacuation and rescue. Its correct design and implementation have consequences for the safety and the lives of people in the event of fire. The purpose of smoke exhaust systems is to create a smoke free layer to enable fast and efficient evacuation and to facilitate rescue and firefighting. The use of fire ventilation systems is governed by the provisions of the Regulation of the Minister of Infrastructure of 12 April 2002 on technical conditions which must be fulfilled by buildings and their location.

In the offer of the Carline company, you will find safe and effective smoke exhaust and fire ventilation systems.

SMOKE EXHAUST – SMOKE REMOVAL SYSTEMS

Smoke exhaust systems are divided into two categories: gravity and mechanical smoke exhaust systems. Gravity smoke exhaust systems are usually applied in large buildings, e.g. commercial centres, industrial halls and warehouses or staircases in public utility buildings. In such buildings, automatic smoke exhaust ventilation is used. It discharges volatile products of combustion, i.e. gases and fumes, outside the building through automatic smoke exhaust devices. Smoke control and supply of compensation air is provided by smoke exhaust lifts and openings as well as smoke curtains.

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Mechanical smoke exhaust systems remove smoke using ventilators. Such systems are installed on the roof or in ventilation ducts and are used in multi-storey buildings – where it is not possible to remove smoke directly from the fire zone through smoke exhaust lifts. Mechanical smoke exhaust systems include exhaust ducts, fire ventilation lifts and smoke exhaust ventilators with adequate fire resistance.

Often both systems, gravitation and mechanical, are used to remove smoke from the building.

AERATION OF BUILDINGS

Smoke control using exhaust ventilators requires an aeration system. Aeration is necessary to maintain hypertension in relation to adjacent rooms, which helps avoid aspiration of smoke in case of fire.

Smoke exhaust systems protect vertical escape routes, i.e. staircases and fire lobbies. They are also used to remove smoke from large fire zones, e.g. parking lots and escape halls.

COMPULSORY SMOKE CONTROL VENTILATION

In many buildings, fire exhaust systems are obligatory, e.g. enclosed parking lots with surface over 1,500 m2 (§ 277.4 [1]), staircases and fire lobbies in high-rise buildings (§ 246.2 [1]), covered walking routes with adjacent service premises (§ 247.2 [1]).

In some buildings, the application of smoke exhaust systems is necessary because they provide larger fire zones or long escape routes. Smoke exhaust ventilation also enables architects to lower the fire resistance class of the designed buildings.

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